Description: 122 / (1) Cleaning And Scale Prevention (8) Fire Side (9) Soot Blowers (11) Fire Tube
Hierarchy/Derived subclasses
122 / 1 | -> 8 | -> 9 | -> 11 | -> 12 |
CIPO searches
search just 122/11- or -
search hierarchy!
The "search hierarchy!" link will execute this search:
((122/11 <IN> CPC) <OR> (122/12 <IN> CPC))
This will show what classes derive from the input. Ex: entering 78/35 shows the derived classes and the search that can be used to find
patents in those subclasses.